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| version 1.36, 2001/03/28 14:07:16 | version 1.188, 2013/07/05 21:09:58 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: globals. | Parser: globals. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2012 Art. Lebedev Studio (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| */ | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | #include "pa_config_includes.h" |
| $Id$ | #ifdef XML |
| */ | #include "libxml/xmlversion.h" |
| #include "libxslt/extensions.h" | |
| #include "libxslt/xsltutils.h" | |
| extern "C" { | |
| #include "libexslt/exslt.h" | |
| }; | |
| #endif | |
| #include "pa_globals.h" | #include "pa_globals.h" |
| #include "pa_string.h" | #include "pa_string.h" |
| #include "pa_hash.h" | #include "pa_sapi.h" |
| #include "pa_table.h" | #include "pa_threads.h" |
| #include "_string.h" | #include "pa_xml_io.h" |
| #include "_double.h" | #include "pa_common.h" |
| #include "_int.h" | |
| #include "_table.h" | #include "pa_cache_managers.h" |
| #include "_form.h" | |
| #include "_response.h" | #include "ltdl.h" |
| #include "_file.h" | #include "pcre.h" |
| String *html_typo_name; | volatile const char * IDENT_PA_GLOBALS_C="$Id$" IDENT_PA_GLOBALS_H IDENT_PA_SAPI_H; |
| String *content_type_name; | |
| String *body_name; | |
| String *value_name; | |
| String *expires_name; | |
| String *path_name; | |
| String *name_name; | |
| String *size_name; | |
| String *text_name; | |
| String *exception_method_name; | |
| String *unnamed_name; | |
| String *empty_string; | |
| String *auto_method_name; | |
| String *main_method_name; | |
| String *root_class_name; | |
| String *main_class_name; | |
| String *env_class_name; | |
| String *table_class_name; | |
| String *file_class_name; | |
| String *form_class_name; | |
| String *request_class_name; | |
| String *response_class_name; | |
| String *cookie_class_name; | |
| String *result_var_name; | |
| String *limits_name; | |
| String *post_max_size_name; | |
| String *defaults_name; | |
| String *mime_types_name; | |
| String *vfile_mime_type_name; | |
| Hash *untaint_lang_name2enum; | // defines |
| Table *default_typo_table; | //#define PA_DEBUG_XML_GC_MEMORY |
| //20051130 trying to remove this, author claims that fixed a lot there // 20040920 for now both workarounds needed. wait for new libxml/xsl versions | |
| // // there is a problem with testcase, it's unstable. | |
| // // see paf@six/bug20040920/cgi-bin/t for it-showed-bug-on-20040920-day | |
| // #define PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| // #define PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| // globals | |
| short hex_value[0x100]; | short hex_value[0x100]; |
| static void setup_hex_value() { | static void setup_hex_value() { |
| int i; | memset(hex_value, 0, sizeof(hex_value)); |
| for (i=0; (i < 0x100); i++) { | |
| hex_value[i] = 0; | |
| } | |
| hex_value['0'] = 0; | hex_value['0'] = 0; |
| hex_value['1'] = 1; | hex_value['1'] = 1; |
| hex_value['2'] = 2; | hex_value['2'] = 2; |
| Line 92 static void setup_hex_value() { | Line 70 static void setup_hex_value() { |
| hex_value['f'] = 15; | hex_value['f'] = 15; |
| } | } |
| void pa_globals_init(Pool& pool) { | THREAD_LOCAL Request* thread_request=NULL; |
| #undef NEW | |
| #define NEW new(pool) | |
| // hex value | void pa_register_thread_request(Request& r) { |
| setup_hex_value(); | thread_request=&r; |
| } | |
| /// retrives request set by pa_set_request function, useful in contextless places [slow] | |
| Request& pa_thread_request() { | |
| return *thread_request; | |
| } | |
| // names | #ifdef PA_RELEASE_ASSERTS |
| html_typo_name=NEW String(pool, HTML_TYPO_NAME); | void pa_release_assert(const char* str, const char* file, int line) { |
| content_type_name=NEW String(pool, CONTENT_TYPE_NAME); | SAPI::die("%s at %s:%d", str, file, line); |
| body_name=NEW String(pool, BODY_NAME); | } |
| value_name=NEW String(pool, VALUE_NAME); | #endif |
| expires_name=NEW String(pool, EXPIRES_NAME); | |
| path_name=NEW String(pool, PATH_NAME); | |
| name_name=NEW String(pool, NAME_NAME); | #ifdef XML |
| size_name=NEW String(pool, SIZE_NAME); | |
| text_name=NEW String(pool, TEXT_NAME); | class XML_Generic_error_info { |
| public:/*internal, actually*/ | |
| exception_method_name=NEW String(pool, EXCEPTION_METHOD_NAME); | char buf[MAX_STRING*5]; |
| size_t used; | |
| unnamed_name=NEW String(pool, UNNAMED_NAME); | public: |
| empty_string=NEW String(pool); | XML_Generic_error_info() { |
| buf[used=0]=0; | |
| auto_method_name=NEW String(pool, AUTO_METHOD_NAME); | } |
| main_method_name=NEW String(pool, MAIN_METHOD_NAME); | const char* get() { |
| return used? buf: 0; | |
| root_class_name=NEW String(pool, ROOT_CLASS_NAME); | } |
| main_class_name=NEW String(pool, MAIN_CLASS_NAME); | }; |
| table_class_name=NEW String(pool, TABLE_CLASS_NAME); | |
| file_class_name=NEW String(pool, FILE_CLASS_NAME); | THREAD_LOCAL XML_Generic_error_info* xml_generic_error_info = NULL; |
| env_class_name=NEW String(pool, ENV_CLASS_NAME); | |
| form_class_name=NEW String(pool, FORM_CLASS_NAME); | static void xmlParserGenericErrorFunc(void * /*ctx*/, const char* msg, ...) { |
| request_class_name=NEW String(pool, REQUEST_CLASS_NAME); | XML_Generic_error_info* p; |
| response_class_name=NEW String(pool, RESPONSE_CLASS_NAME); | |
| cookie_class_name=NEW String(pool, COOKIE_CLASS_NAME); | if(!(p=xml_generic_error_info)) // occupy empty one |
| p=xml_generic_error_info=new(PointerFreeGC) XML_Generic_error_info; | |
| result_var_name=NEW String(pool, RESULT_VAR_NAME); | |
| va_list args; | |
| va_start(args, msg); | |
| limits_name=NEW String(pool, LIMITS_NAME); | p->used+=vsnprintf(p->buf+p->used, sizeof(p->buf)-p->used, msg, args); |
| post_max_size_name=NEW String(pool, POST_MAX_SIZE_NAME); | va_end(args); |
| } | |
| defaults_name=NEW String(pool, DEFAULTS_NAME); | |
| mime_types_name=NEW String(pool, MIME_TYPES_NAME); | bool xmlHaveGenericErrors() { |
| vfile_mime_type_name=NEW String(pool, VFILE_MIME_TYPE_NAME); | return xml_generic_error_info!=0; |
| } | |
| // hashes | |
| untaint_lang_name2enum=NEW Hash(pool); | const char* xmlGenericErrors() { |
| String as_is(pool, "as-is"); | if(XML_Generic_error_info *p=xml_generic_error_info) { |
| untaint_lang_name2enum->put(as_is, (int)String::UL_AS_IS); | xml_generic_error_info=0; |
| String file_name(pool, "file-name"); | return p->get(); |
| untaint_lang_name2enum->put(file_name, (int)String::UL_FILE_NAME); | } |
| String header(pool, "header"); | |
| untaint_lang_name2enum->put(header, (int)String::UL_HEADER); | return 0; // no errors for our thread_id registered |
| String uri(pool, "uri"); | } |
| untaint_lang_name2enum->put(uri, (int)String::UL_URI); | |
| String table(pool, "table"); | #endif |
| untaint_lang_name2enum->put(table, (int)String::UL_TABLE); | |
| String sql(pool, "sql"); | #ifdef XML |
| untaint_lang_name2enum->put(sql, (int)String::UL_SQL); | |
| String js(pool, "js"); | static char *pa_GC_strdup(const char *s) { |
| untaint_lang_name2enum->put(js, (int)String::UL_JS); | if(!s) |
| String html(pool, "html"); | return 0; |
| untaint_lang_name2enum->put(html, (int)String::UL_HTML); | |
| String html_typo(pool, "html-typo"); | size_t size=strlen(s)+1; |
| untaint_lang_name2enum->put(html_typo, (int)String::UL_HTML_TYPO); | char *result=(char *)GC_MALLOC_ATOMIC(size); |
| if(!result) | |
| // tables | pa_fail_alloc("duplicate XML string",size); |
| default_typo_table=NEW Table(pool, 0, 0); | |
| { | memcpy(result, s, size); |
| // < -> < | #ifdef PA_DEBUG_XML_GC_MEMORY |
| { | fprintf(stderr, "pa_GC_strdup(%p=%s, length=%d)=0x%p\n", s, s, size, result); |
| Array *row=NEW Array(pool); | #endif |
| *row+=NEW String(pool, "<"); | return result; |
| *row+=NEW String(pool, "<"); | } |
| *default_typo_table+=row; | |
| } | #ifdef PA_DEBUG_XML_GC_MEMORY |
| // > -> > | void *pa_look_for[]={(void*)0x84ba980,(void*)0x8969460,(void*)0x0,(void*)0x0, |
| { | (void*)0x0,(void*)0x0,(void*)0x0,(void*)0x0}; |
| Array *row=NEW Array(pool); | bool pa_looked(void*p) { |
| *row+=NEW String(pool, ">"); | for(int i=0; i<8; i++) |
| *row+=NEW String(pool, ">"); | if(pa_look_for[i]==p) { |
| *default_typo_table+=row; | __asm__("int $3"); |
| } | return true; |
| // " -> " | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\""); | |
| *row+=NEW String(pool, """); | |
| *default_typo_table+=row; | |
| } | |
| // & -> & | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "&"); | |
| *row+=NEW String(pool, "&"); | |
| *default_typo_table+=row; | |
| } | |
| // \n\n -> <p> | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\\n\\n"); | |
| *row+=NEW String(pool, "<p>"); | |
| *default_typo_table+=row; | |
| } | |
| // \n -> <br> | |
| { | |
| Array *row=NEW Array(pool); | |
| *row+=NEW String(pool, "\\n"); | |
| *row+=NEW String(pool, "<br>"); | |
| *default_typo_table+=row; | |
| } | } |
| if((((int)p)&~0xFF)==0x89a7700) { | |
| __asm__("int $3"); | |
| return true; | |
| } | } |
| return false; | |
| } | |
| static void* pa_gc_malloc_log(size_t size){ | |
| void *p=pa_gc_malloc(size); | |
| fprintf(stderr, "pa_gc_malloc_log(%d)=0x%p\n", size, p); | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug malloc(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void* pa_gc_malloc_atomic_log(size_t size){ | |
| #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| void *p=pa_gc_malloc(size); | |
| fprintf(stderr, "pa_gc_malloc_atomicFAKE_log(%d)=0x%p\n", size, p); | |
| #else | |
| void *p=pa_gc_malloc_atomic(size); | |
| fprintf(stderr, "pa_gc_malloc_atomic_log(%d)=0x%p\n", size, p); | |
| #endif | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug malloc atomic(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void* pa_gc_realloc_log(void *ptr, size_t size){ | |
| void *p=pa_gc_realloc(ptr, size); | |
| fprintf(stderr, "pa_gc_realloc_log(0x%p, %d)=0x%p\n", ptr, size, p); | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug realloc(%d)=0x%p\n", size, p); | |
| return p; | |
| } | |
| static void pa_gc_free_log(void *p){ | |
| #ifdef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| fprintf(stderr, "pa_gc_freeIGNORE_log(0x%p)\n", p); | |
| #else | |
| fprintf(stderr, "pa_gc_free_log(0x%p)\n", p); | |
| #endif | |
| if(pa_looked(p)) | |
| fprintf(stderr,"catched debug free(0x%p)\n", p); | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| pa_gc_free(p); | |
| #endif | |
| } | |
| #else | |
| inline void *check(void *result, const char *where, size_t size) { | |
| if(!result) | |
| pa_fail_alloc(where, size); | |
| return result; | |
| } | |
| static void* pa_gc_malloc_nonull(size_t size) { | |
| return check(pa_gc_malloc(size), "allocate XML compsite memory", size); | |
| } | |
| static void* pa_gc_malloc_atomic_nonull(size_t size) { | |
| #ifdef PA_WORKAROUND_BUGGY_MALLOCATOMIC_IN_LIBXML_GC_MEMORY | |
| return check(pa_gc_malloc(size), "allocate XML composite memory (asked atomic)", size); | |
| #else | |
| return check(pa_gc_malloc_atomic(size), "allocate XML atomic memory", size); | |
| #endif | |
| } | |
| static void* pa_gc_realloc_nonull(void* ptr, size_t size) { | |
| return check(pa_gc_realloc(ptr, size), "reallocate XML memory", size); | |
| } | |
| static void pa_gc_free_maybeignore( | |
| void* | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| ptr | |
| #endif | |
| ) { | |
| #ifndef PA_WORKAROUND_BUGGY_FREE_IN_LIBXML_GC_MEMORY | |
| pa_gc_free(ptr); | |
| #endif | |
| } | |
| #endif | |
| #endif | |
| void pa_CORD_oom_fn(void) { | |
| pa_fail_alloc("expand string", 0); | |
| } | |
| /** | |
| @todo gc: libltdl: substitute lt_dlmalloc & co | |
| */ | |
| static void gc_substitute_memory_management_functions() { | |
| // in libxml & libxslt | |
| #ifdef XML | |
| // asking to use GC memory | |
| #if LIBXML_VERSION >= 20507 | |
| #ifdef PA_DEBUG_XML_GC_MEMORY | |
| xmlGcMemSetup( | |
| /*xmlFreeFunc */pa_gc_free_log, | |
| /*xmlMallocFunc */pa_gc_malloc_log, | |
| /*xmlMallocFunc */pa_gc_malloc_atomic_log, | |
| /*xmlReallocFunc */pa_gc_realloc_log, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #else | |
| xmlGcMemSetup( | |
| /*xmlFreeFunc */pa_gc_free_maybeignore, | |
| /*xmlMallocFunc */pa_gc_malloc_nonull, | |
| /*xmlMallocFunc */pa_gc_malloc_atomic_nonull, | |
| /*xmlReallocFunc */pa_gc_realloc_nonull, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #endif | |
| #else | |
| xmlMemSetup( | |
| /*xmlFreeFunc */pa_gc_free_maybeignore, | |
| /*xmlMallocFunc */pa_gc_malloc, | |
| /*xmlReallocFunc */pa_gc_realloc, | |
| /*xmlStrdupFunc */pa_GC_strdup); | |
| #endif | |
| #endif | |
| // pcre | |
| pcre_malloc=pa_gc_malloc; | |
| pcre_free=pa_gc_free; | |
| // cord | |
| CORD_oom_fn=pa_CORD_oom_fn; | |
| } | |
| /** | |
| @test hint on one should call this for each thread xmlSubstituteEntitiesDefault(1); | |
| */ | |
| void pa_globals_init() { | |
| // global variables | |
| cache_managers=new Cache_managers; | |
| // in various libraries | |
| gc_substitute_memory_management_functions(); | |
| // stateless classes | // hex value |
| initialize_string_class(pool, *(string_class=NEW VStateless_class(pool))); | setup_hex_value(); |
| initialize_double_class(pool, *(double_class=NEW VStateless_class(pool))); | |
| initialize_int_class(pool, *(int_class=NEW VStateless_class(pool))); | #ifdef XML |
| initialize_table_class(pool, *(table_class=NEW VStateless_class(pool))); | // initializing xml libs |
| initialize_file_class(pool, *(file_class=NEW VStateless_class(pool))); | |
| initialize_response_class(pool, *(response_class=NEW VStateless_class(pool))); | |
| // stateless base classes | /* |
| initialize_form_base_class(pool, *(form_base_class=NEW VStateless_class(pool))); form_base_class->set_name(*form_class_name); | * Register the EXSLT extensions and the test module |
| */ | |
| exsltRegisterAll(); | |
| xsltRegisterTestModule(); | |
| xmlDefaultSAXHandlerInit(); | |
| /* | |
| * disable CDATA from being built in the document tree | |
| */ | |
| // never added yet xmlDefaultSAXHandler.cdataBlock = NULL; | |
| /* | |
| * Initialization function for the XML parser. | |
| * This is not reentrant. Call once before processing in case of | |
| * use in multithreaded programs. | |
| */ | |
| xmlInitParser(); | |
| // 1. this is needed for proper parsing of stylesheets | |
| // there were a situation where honest entity ruined innocent xpath compilation | |
| // doc says "you sould turn it on on stylesheet load" without deepening into details | |
| // 2. when dom tree with entites goes under transform text nodes | |
| // got [erroreosly] cut on first entity occurance | |
| // -- | |
| // that is why this is: | |
| xmlSubstituteEntitiesDefault(1); | |
| // Bit in the loadsubset context field to tell to do ID/REFs lookups | |
| xmlLoadExtDtdDefaultValue |= XML_DETECT_IDS; | |
| // Bit in the loadsubset context field to tell to do complete the elements attributes lists | |
| // with the ones defaulted from the DTDs | |
| xmlLoadExtDtdDefaultValue |= XML_COMPLETE_ATTRS; | |
| // validate each document after load/create (?) | |
| //xmlDoValidityCheckingDefaultValue = 1; | |
| //regretfully this not only replaces entities on parse, but also on generate xmlSubstituteEntitiesDefault(1); | |
| // never switched this on xmlIndentTreeOutput=1; | |
| xmlSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| xsltSetGenericErrorFunc(0, xmlParserGenericErrorFunc); | |
| // FILE *f=fopen("y:\\xslt.log", "wt"); | |
| // xsltSetGenericDebugFunc(f/*stderr*/, 0); | |
| pa_xml_io_init(); | |
| #endif | |
| } | } |
| static bool is_dlinited=false; | |
| void pa_globals_done() { | |
| delete cache_managers; cache_managers=0; | |
| if(is_dlinited) | |
| lt_dlexit(); | |
| } | |
| void pa_dlinit() { | |
| if(!is_dlinited){ | |
| if(lt_dlinit()) | |
| throw Exception(0,0,"prepare to dynamic libary loading failed, %s", lt_dlerror()); | |
| is_dlinited=true; | |
| } | |
| } | |
| #ifdef _MSC_VER | |
| #ifndef PA_DEBUG_DISABLE_GC | |
| # define GC_LIB "../../../../win32/gc" | |
| # ifdef _DEBUG | |
| # pragma comment(lib, GC_LIB "/Debug/gc.lib") | |
| # else | |
| # pragma comment(lib, GC_LIB "/Release/gc.lib") | |
| # endif | |
| #endif | |
| #define GNOME_LIBS "../../../../win32/gnome" | |
| #ifdef WITH_MAILRECEIVE | |
| # pragma comment(lib, GNOME_LIBS "/glib/lib/libglib-1.3-11.lib") | |
| #endif | |
| #ifdef XML | |
| # ifdef _DEBUG | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/debug/lib/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/debug/lib/libexslt.lib") | |
| # endif | |
| #else | |
| # ifdef LIBXML_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxml2-x.x.x/win32/release/lib/libxml2.lib") | |
| # endif | |
| # ifdef LIBXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libxslt.lib") | |
| # endif | |
| # ifdef LIBEXSLT_STATIC | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt_a.lib") | |
| # else | |
| # pragma comment(lib, GNOME_LIBS "/libxslt-x.x.x/win32/release/lib/libexslt.lib") | |
| # endif | |
| # endif | |
| #endif | |
| #endif |